Lai da Nalps

{{Infobox body of water

| name = Lai da Nalps

| image = Nalps.jpg

| caption = Val Nalps from Cuolm da Vi

| image_bathymetry = Karte Lai da Nalps.png

| caption_bathymetry = map

| location = Grisons

| coords = {{coord|46|37|57|N|8|45|48|E|type:waterbody_region:CH-GR|display=inline,title}}

| type = reservoir

| inflow =

| outflow =

| catchment = {{convert|22.3|km2|abbr=on}}

| basin_countries = Switzerland

| length = {{convert|2.0|km|abbr=on}}

| width =

| area = {{convert|0.91|km2|abbr=on}}

| depth =

| max-depth = {{convert|122|m|abbr=on}}

| volume = {{convert|45|e6m3|acre.ft|abbr=out}}

| residence_time =

| shore =

| elevation = {{convert|1908|m|abbr=on}}

| islands =

| cities =

| pushpin_map=Canton of Graubünden#Switzerland#Italy#Alps

| pushpin_label_position= bottom

| embedded = {{Infobox mapframe |wikidata=yes |zoom=14 |coord={{WikidataCoord|display=i}}}}

}}

Lai da Nalps is a reservoir in the municipality of Tujetsch, Grisons, Switzerland. It has a capacity of 45 million m³ and a surface area of 0.91 km². The reservoir is connected to Lai da Sontga Maria and Lai da Curnera in neighboring valleys.